try the official playstation forums. Go in the technical discussion portion of it, they are sure to have the answer, if not you may have to call up Sony, but I won't be surprise if they tell you to call your network provider or something.

Mod Edit: Image removed. Some users may find it offensive and inappropriate.
SSBB FC: ????-????-???? (New Wii, so I gotta check)
Gamertag: T3kNi9e
Been playing alot of WarCraft III lately, anyone up for game? Just message me, my account is the same as here and GT.